src/connectivity/wlan/drivers/wlan/driver.cpp

// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "device.h"

#include <ddk/binding.h>
#include <ddk/device.h>
#include <ddk/driver.h>

#include <cstdio>
#include <memory>

#include "lib/component/cpp/environment_services_helper.h"

zx_status_t wlan_bind(void* ctx, zx_device_t* device) {
    std::printf("%s\n", __func__);

    wlanmac_protocol_t wlanmac_proto;
    if (device_get_protocol(device, ZX_PROTOCOL_WLANMAC, reinterpret_cast<void*>(&wlanmac_proto))) {
        std::printf("wlan: bind: no wlanmac protocol\n");
        return ZX_ERR_INTERNAL;
    }

    auto environment_services = component::GetEnvironmentServices();

    auto wlandev = std::make_unique<wlan::Device>(device, wlanmac_proto, environment_services);
    auto status = wlandev->Bind();
    if (status != ZX_OK) {
        std::printf("wlan: could not bind: %d\n", status);
    } else {
        // devhost is now responsible for the memory used by wlandev. It will be
        // cleaned up in the Device::Release() method.
        wlandev.release();
    }
    return status;
}

static zx_driver_ops_t wlan_driver_ops = {
    .version = DRIVER_OPS_VERSION,
    .bind = wlan_bind,
};

// clang-format: off
ZIRCON_DRIVER_BEGIN(wlan, wlan_driver_ops, "zircon", "0.1", 1)
    BI_MATCH_IF(EQ, BIND_PROTOCOL, ZX_PROTOCOL_WLANMAC),
ZIRCON_DRIVER_END(wlan)